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Motion Study Motors and Reflected Load Results

Motion study motors idealize actual motors. Motion study motors constrain assembly components to move with a specified motion regardless of external loads.

Consequently, you can define a constant speed motor in a motion study and the resulting motion is not influenced by applied external loads. For actual motors, the motor speed varies with the application of external loads or friction. Consider this difference when interpreting reflected load inertia or mass results.

Creating Reflected Load Mass Results

Reflected load mass is the perceived mass of an assembly at the motor drive shaft of a linear motor. You can compute and plot the reflected load mass.

To compute reflected load mass:

  1. From a Motion Analysis study, click Results and Plots Tool_Results_and_Plots.gif (MotionManager toolbar).
  2. In the PropertyManager, for Category, select Other Quantities.
  3. For Subcategory, select Reflected Load Mass.
  4. For the first selection component , select a constant speed linear motor from the MotionManager tree.
  5. Select the Plot Results options you require, and click .
    The result appears in the MotionManager tree.

Creating Reflected Load Inertia Results

Reflected load inertia is the perceived inertia of an assembly at the motor drive shaft of a rotary motor. For Motion Analysis type studies, you can compute and plot the reflected load inertia.

To compute reflected load intertia:

  1. From a Motion Analysis study, click Results and Plots Tool_Results_and_Plots.gif (MotionManager toolbar).
  2. In the PropertyManager, for Category, select Other Quantities.
  3. For Subcategory, select Reflected Load Inertia.
  4. For the first selection component , select a constant speed rotary motor from the MotionManager tree.
  5. Select the Plot Results options you require, and click .
    The result appears in the MotionManager tree.


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